1.  They were determined to achieve victory, by fair means or foul.

2.  These efforts at information-gathering by fair means or foul were merely an intensification of something visible from the very beginnings of organised diplomacy.

3.  One respects institutions, cares about fair means as well as ends, puts country before party.

4.  When Netscape refused to abandon its efforts to compete, Microsoft set to work put them out of business, by fair means and foul.